about subst

[Lin George]

Hello everyone,


I have read the descriptions of subst from GNU make
manual -- the PDF file. I am still confused when
reading some complex samples, for example, this one,

Foo:
    rm $(subst /,\,$@)

Could anyone tell me what means $(subst /,\,$@)? Which
page in the make manual covers this point?


thanks in advance,
George

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